Zed, the Master of Shadows

When Zed, the Master of Shadows enters battlefield or attacks, create a 3/2 blue and black
Shadow Ninja creature token with haste that has
"When it attacks or blocks, sacrifice it at the end
of combat".
Whenever Zed becomes a target of an opponent's
spell or ability, you may pay {1}{u}{b}. If you do,
you may change the spell's target to a Shadow
Ninja creature token you control.